Oral Lichen Planus

Overview

What is Oral Lichen Planus?

Oral lichen planus (OLP) is a chronic inflammatory autoimmune condition affecting the oral mucous membranes. It presents with white, lacy patches (Wickham's striae), red inflamed areas, or painful erosive lesions in the mouth.

• Affects 1-2% of the adult population
• More common in women over 40
• Chronic condition with periods of flare and remission
• Can occur with or without skin involvement
• Considered potentially malignant (small cancer risk)

Overview of the Condition

Oral lichen planus is an immune-mediated condition where T-lymphocytes attack the epithelial cells of the oral mucosa. It has several clinical presentations: reticular (most common, white lines), erosive (red, ulcerated), atrophic (thin, red mucosa), plaque-like, papular, and bullous forms.

References

• NCBI - Oral Lichen Planus
• Mayo Clinic - Oral Lichen Planus

Symptoms and Causes

Symptoms

• White, lacy, web-like patches (Wickham's striae)
• Red, swollen, tender tissues
• Open sores or ulcers (erosive type)
• Burning sensation or pain
• Sensitivity to hot, spicy, or acidic foods
• Bleeding when brushing teeth
• Dry mouth sensation
• Metallic taste
• Gum involvement (desquamative gingivitis)

Causes

• Autoimmune response (exact trigger unknown)
• T-cell mediated attack on basal epithelial cells
• Possible genetic susceptibility
• Hepatitis C virus association
• Drug-induced lichenoid reactions (similar appearance)
• Dental materials (amalgam) may trigger in some
• Stress may exacerbate symptoms
• Not caused by infection

Diagnosis and Treatment Options

Diagnosis

• Clinical examination of lesion pattern
• Biopsy for histopathological confirmation
• Direct immunofluorescence testing
• Hepatitis C screening recommended
• Exclusion of lichenoid drug reactions
• Patch testing if contact allergy suspected

Treatment Options

• Topical corticosteroids (first-line treatment)
• Topical calcineurin inhibitors (tacrolimus, pimecrolimus)
• Systemic corticosteroids for severe cases
• Retinoids (topical or systemic)
• Immunosuppressants for refractory cases
• Removal of potential triggers (dental materials)
• Regular monitoring for malignant transformation

Non-Surgical Care

Conservative Management

Treatment aims to reduce symptoms and heal erosive lesions. The reticular form may not require treatment if asymptomatic. Topical corticosteroids are the mainstay of therapy for symptomatic disease. Long-term monitoring is essential due to malignant potential.

Home Care Recommendations

1. Use prescribed topical medications consistently
2. Maintain excellent oral hygiene
3. Avoid irritating foods (spicy, acidic, crunchy)
4. Use gentle, alcohol-free oral care products
5. Manage stress
6. Quit smoking and limit alcohol
7. Attend regular follow-up appointments

Surgical Care

When is Surgery Needed?

Surgery is not a primary treatment for oral lichen planus. Biopsy is performed for diagnosis and to rule out malignancy. Excision may be considered for localized, refractory lesions or if dysplasia or cancer is detected.

Anatomy and Affected Areas

Anatomy Overview

Oral lichen planus affects the stratified squamous epithelium of the oral mucosa. The autoimmune attack targets the basal layer of the epithelium, causing the characteristic clinical and histological features.

Affected Areas

• Buccal mucosa (most common, often bilateral)
• Tongue (lateral borders and dorsum)
• Gingiva (desquamative gingivitis)
• Lips
• Palate
• Floor of mouth

Frequently Asked Questions

Frequently Asked Questions

QuestionAnswerIs oral lichen planus cancerous?It is not cancer but has a small risk (1-2%) of malignant transformation over time.Can oral lichen planus be cured?There is no cure, but symptoms can be effectively managed with treatment.Is it contagious?No, oral lichen planus is an autoimmune condition and cannot be spread.Will it go away on its own?Some cases resolve, but many persist for years with periods of flare and remission.Why do I need regular check-ups?To monitor for symptom changes and screen for potential malignant transformation.Can diet affect oral lichen planus?Avoiding irritating foods can reduce discomfort during flares.

Prevention Tips

Prevention Strategies

• Cannot be prevented (autoimmune condition)
• Avoid known triggers that worsen symptoms
• Maintain good oral hygiene
• Quit smoking
• Limit alcohol consumption
• Manage stress effectively
• Regular dental and medical follow-up

Related Conditions

Related Conditions

• Cutaneous lichen planus (skin involvement)
• Lichenoid drug reactions
• Oral lichenoid contact reactions
• Hepatitis C infection
• Other autoimmune conditions

Additional Treatments

Refractory cases may require systemic immunomodulatory therapy under specialist care. Treatment of associated conditions like hepatitis C may improve oral symptoms. Replacement of dental restorations may help if contact allergy is confirmed.